25040303 has 4 divisors (see below), whose sum is σ = 26513280. Its totient is φ = 23567328.

The previous prime is 25040297. The next prime is 25040321. The reversal of 25040303 is 30304052.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25040303 - 2⁸ = 25040047 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 1472959 = 25040303 / (2 + 5 + 0 + 4 + 0 + 3 + 0 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25040203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 736463 + ... + 736496.

It is an arithmetic number, because the mean of its divisors is an integer number (6628320).

Almost surely, 2^25040303 is an apocalyptic number.

25040303 is a deficient number, since it is larger than the sum of its proper divisors (1472977).

25040303 is a wasteful number, since it uses less digits than its factorization.

25040303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1472976.

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 25040303 is about 5004.0286769762. The cubic root of 25040303 is about 292.5588183758.

Adding to 25040303 its reverse (30304052), we get a palindrome (55344355).

The spelling of 25040303 in words is "twenty-five million, forty thousand, three hundred three".